Description Place the magnetic stirrer bar in beaker, graduated cylinder or other liquid container, place the container on the platform of the electromagnetic heating stirrer, and turn on the switch of the electromagnetic heating stirrer. The magnetic stirrer bar will generate rotating force to drive the liquid to rotate quickly. Features - Material:PTFE. - Size:2.50X0.70X0.70cm/0.98X0.28X0.28inch. - With high operating temperature, acid and alkali stability as well as organic solvent tolerance. - Fine workmanship, no impurities and burrs on the surface, stable speeds and no deviation. - Small and compact size, useful and practical, easy and convenient to use for scientific experiment. - You will get enough PTFE magnetic stirrer mixer stir bars to meet your needs, excellent and useful. - Can be used to stir liquid or solution in scientific research, universities and laboratories.Package listing: 5 x PTFE Laboratory Stirring Bars